THRIVING after the FALL

The Library · Document 10 · FEASTING · Metallurgy and tools

Open-Source Harvester Fabrication Plan

Its printed title: Systems Engineering, Blueprints, and Fabrication Directives for Small-Scale Open-Source Microcombines and Universal Seeders

Plans for a small combine harvester and a universal seeder, after Open Source Ecology and Farm Hack, built around the LifeTrac tractor and PowerCube. The threshing pages are the strongest: they compare spike-tooth and rasp-bar drums, credit rasp bars with cutting straw breakage by 25 to 30 per cent, put drum speed for wheat and barley at 20 to 30 m/s, and explain winnowing by how fast grain and chaff fall through air. Formulas were lost in the PDF text, and it works in imperial units and dollars.

Open the PDF 19 pages · 466 KB

Number
10
Book
FEASTING after the FALL
Shelf
Metallurgy and tools
File
10 - Open-Source Harvester Fabrication Plan.pdf
Pages
19
Works cited
91

Used in

The rows that check it

  • 1 confirmed
  • 0 marked for safety
  • W48 confirmed Open Source Ecology: Jakubowski, Missouri, 2003, fifty machines; LifeTrac about 5,000 lb (2.3 t), 27 hp PowerCube, 3,000 psi (200 bar) hydraulics, wheel motors, 4 in square tube; …

In the Index

Tools and their making The field and the rotation Grain, flour and bread Seed

Its works cited 91

As the document lists them, unchecked. Sorted here by their addresses only, which says where a claim comes from, not whether it holds.

  • 28 journals, universities and public bodies
  • 6 document-sharing sites
  • 3 encyclopaedias
  • 2 forums, video and social sites
  • 4 blogs
  • 3 shops and makers
  • 44 other web pages
  • 1 without an address
Show all 91
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